Product Description
The DC-DC Step-Down Buck Module (8–55 V to 12 V, 2 A) is a high-efficiency switching voltage regulator designed to produce a stable and regulated 12 V DC output from a wide DC input range (typically 8 V up to 55 V). Using a buck topology (switching regulator), this module efficiently steps down higher DC sources such as automotive batteries (12 V/24 V systems), solar panels, industrial supplies, or battery banks to deliver a smooth 12 V @ 2 A output with minimal heat generation.
Perfect for embedded electronics, control systems, relays, sensors, dashboards, communications modules, LED lighting, and automotive/hobby applications, this module ensures reliable 12 V power wherever a stable DC supply is needed.
Key Features
Wide input voltage range: 8 V – 55 V DC
Regulated 12 V DC output
Up to 2 A continuous current capability
Efficient switching (buck) topology
Often includes adjustment pot for precise output (module dependent)
Compact PCB with input/output screw terminals or pads
Onboard power indicator LED
Thermal-efficient design for continuous operation
Protects downstream electronics with regulated output
Package Includes
1 × DC-DC 8–55 V to 12 V 2 A Buck Converter Module
Mounting features or connection headers (supplier specific)
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage | 8 – 55 V DC |
| Output Voltage | 12 V DC regulated |
| Output Current | Up to 2 A |
| Regulation Type | Step-down (buck) switching |
| Efficiency | High (typically 80 % – 95 %) |
| Indicators | Power LED (varies) |
| Terminals | Screw / solder pads |
| Load Capability | Active electronics, relays, microcontrollers |
Applications
Powering 12 V electronics from vehicle battery (cars/boats)
Arduino / ESP32 / SBC peripherals at 12 V
Automotive relays, sensors, dashboards
LED strips, signage, lighting modules
Industrial controllers and instrumentation
Solar power system regulators
Robotics & embedded systems requiring 12 V supply
Portable power solutions